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AP Physics 2
11.7 Kirchhoff’s Junction Rule
11.6 Kirchhoff’s Loop Rule
11.5 Compound Direct Current (DC) Circuits
11.4 Electric Power
11.3 Resistance, Resistivity, and Ohm’s Law
IntermediateMCQDrawing RepresentationsMathematicalConceptual24.7k
Circuit schematic with four identical lightbulbs and an ideal battery.
Circuit schematic with four identical lightbulbs and an ideal battery.
A circuit contains an ideal battery of potential difference \(\varepsilon\) connected to four identical lightbulbs labeled 1, 2, 3, and 4, each having a constant resistance \(R\). Bulb 1 is connected in series with the battery in the main circuit line, which then connects to a parallel combination of two branches: Branch A contains only bulb 2, while Branch B contains bulbs 3 and 4 connected in series with each other. Which of the following correctly ranks the brightness (power dissipated \(P\)) of the four lightbulbs?

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